Bottle shoulder



FIG. 1 is a front elevational view of a bottle shoulder of the claimed design, the rear elevational view being a mirror image, except for the unclaimed threads;

FIG. 2 is a right side elevational view thereof, the left side elevational view being a mirror image, except for the unclaimed threads;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a perspective view thereof.

The broken lines shown in the drawings are for environmental purposes only and form no part of the claimed design. 

The ornamental design for a bottle shoulder, as shown and described. 